JPS6185253A - Brake device for car associated with automatic speed changer - Google Patents

Brake device for car associated with automatic speed changer

Info

Publication number
JPS6185253A
JPS6185253A JP59208799A JP20879984A JPS6185253A JP S6185253 A JPS6185253 A JP S6185253A JP 59208799 A JP59208799 A JP 59208799A JP 20879984 A JP20879984 A JP 20879984A JP S6185253 A JPS6185253 A JP S6185253A
Authority
JP
Japan
Prior art keywords
brake
vehicle
force
automatic transmission
driver
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP59208799A
Other languages
Japanese (ja)
Inventor
Shiro Sakakibara
史郎 榊原
Kazuhisa Ozaki
和久 尾崎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aisin AW Co Ltd
Original Assignee
Aisin AW Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aisin AW Co Ltd filed Critical Aisin AW Co Ltd
Priority to JP59208799A priority Critical patent/JPS6185253A/en
Publication of JPS6185253A publication Critical patent/JPS6185253A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
    • B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
    • B60T11/103—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic in combination with other control devices
    • B60T11/105—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic in combination with other control devices with brake locking after actuation, release of the brake by a different control device, e.g. gear lever

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

PURPOSE:To alarm insufficient brake force to driver before the car will start by providing insufficient brake force after function of brake force holding means to the driver. CONSTITUTION:The brake device 1 has a brake force holding unit 2 for maintaining the brake liquid pressure through function of foot brake 11 even upon interruption of functioning of foot brake 11 through driver. Said unit 2 is provided with a brake controller 5 in the brake liquid pressure path to control function of said unit 2 while to receive the insufficient brake force condition from an oil pressure sensor 3 during operation of the brake holding unit 2 thus to function an alarm 4.

Description

【発明の詳細な説明】 ［産業上の利用分野］ 本発明は自動変速機付車両のブレーキペダルに関する。[Detailed description of the invention] [Industrial application field] The present invention relates to a brake pedal for a vehicle with an automatic transmission.

［従来の技術］ 車両が停止している時に、ブレーキペダルを踏み、ブレ
ーキ力を作用させると、足をブレーキペダルから離して
も、ブレーキ力が作用したままで保持されるという機構
についてはマスターシリンダからホイールシリンダを結
ぶ液圧経路中に電磁作動の常開型切換弁を介在し、弁を
車両停止時に閉状態に維持することで、ブレーキ液圧を
ホイールシリンダ内に閉じこめてブレーキ力を自動的に
保持する方法が知られている。[Prior Art] A master cylinder is a mechanism in which when a vehicle is stopped and the brake pedal is pressed to apply brake force, the brake force remains applied even if the foot is released from the brake pedal. An electromagnetically operated normally open switching valve is interposed in the hydraulic pressure path connecting the wheel cylinder to the wheel cylinder, and by keeping the valve closed when the vehicle is stopped, brake fluid pressure is confined within the wheel cylinder and braking force is automatically applied. There are known ways to hold it.

［発明が解決しようとする問題点］ しかし上記装置においてブレーキ液圧を長時間完全に保
持しつづけることは難しく、時間の経過と共にブレーキ
液圧は徐々に抜は出してしまい、ブレーキ力が不足し車
両が動き出してしまうことがある。またエアコンを使用
時、アイドリンクを高くするとブレーキ力が不足して車
両が動き出す不具合も有る。この場合運転者は車両が動
き出したのを確認してから、再度ブレーキペダルを踏み
込みブレーキ液圧を増圧し、ブレーキ力を確保する必要
があった。[Problems to be Solved by the Invention] However, it is difficult to maintain the brake fluid pressure completely for a long time with the above device, and as time passes, the brake fluid pressure gradually begins to leak out, resulting in insufficient braking force. The vehicle may start moving. Also, when using the air conditioner, if the idle link is set high, the braking force may be insufficient and the vehicle may start to move. In this case, the driver had to confirm that the vehicle had started moving and then press the brake pedal again to increase the brake fluid pressure to ensure braking force.

本発明は、ブレーキ力保持装置の作動後にブレーキ力が
不足することを防止する自動変速機付車両のブレーキ装
置の提供を目的とする。SUMMARY OF THE INVENTION An object of the present invention is to provide a brake device for a vehicle with an automatic transmission that prevents insufficient braking force after activation of a brake force holding device.

［問題点を解決するための手段］ 本発明の自動変速機付車両のブレーキ装置は、人動によ
るブレーキ操作中止後もブレーキ液圧を保持し、ブレー
キの制動力の作用を相持するブレーキ力保持装置と、該
ブレーキ力保持装置の作動中にブレーキ力が不足してき
た場合、運転者に警告を発するブレーキ力不足検出手段
とを備えたことを構成どする。[Means for Solving the Problems] The braking device for a vehicle with an automatic transmission of the present invention maintains brake fluid pressure even after the brake operation is stopped due to manual operation, and maintains braking force that counteracts the effect of the braking force of the brake. The present invention comprises a device and a brake force shortage detection means for issuing a warning to a driver when the brake force becomes insufficient during operation of the brake force holding device.

［発明の作用、効果］ 上記構成により本発明の自動変速機付車両のブレーキ装
置は次の作用、効果を奏する。[Operations and Effects of the Invention] With the above configuration, the brake device for a vehicle with an automatic transmission according to the present invention has the following operations and effects.

ブレーキ力保持装置の作動後のブレーキ力の不足を運転
者に警告を発するブレーキ力不足検出手段を設けている
ため車両が動き出す前に運転者にブレーキが不足したこ
とを知らせることができ車両の動き出しが防止できる。A brake force insufficiency detection means is provided that warns the driver of insufficient braking force after the brake force holding device is activated, so the driver can be notified of insufficient braking before the vehicle starts moving. can be prevented.

［実施例］ 本発明の自動変速機付車両のブレーキ装置を図に示す実
施例に基づき説明する。[Example] A brake device for a vehicle with an automatic transmission according to the present invention will be described based on an example shown in the drawings.

第１図および第２図は本発明の自動変速機付車両のブレ
ーキ装置の第１実施例を示す。1 and 2 show a first embodiment of a brake system for a vehicle with an automatic transmission according to the present invention.

自動変速機付車両のブレーキ装置１は運転者による常用
ブレーキ（フットブレーキ）１１の制動を中止しても自
動的にフットブレーキ１１の作動により発生したブレー
キ液圧を保持゛させるブレーキ力保持装置２と、該ブレ
ーキ力保持装置２の作動（ＯＮ＞、停止（ＯＦＦ＞を制
御し、ブレーキ液圧の液圧経路中に設けられ、ブレーキ
力不足検出手段であるブレーキ液圧の油圧センサ３より
、ブレーキ力保持装置２の作動中に、ブレーキ力が不足
してきた状態を入力して警告装置４に出力するブレーキ
制御装置５とからなる。The brake device 1 of a vehicle with an automatic transmission includes a brake force holding device 2 that automatically maintains the brake fluid pressure generated by the operation of the foot brake 11 even if the driver stops braking the service brake (foot brake) 11. The brake fluid pressure sensor 3 controls the operation (ON> and stop (OFF)) of the brake force retaining device 2, and is installed in the brake fluid pressure path and serves as means for detecting insufficient braking force. It consists of a brake control device 5 that inputs a state in which the brake force becomes insufficient while the brake force holding device 2 is in operation and outputs it to a warning device 4.

ブレーキ力保持装置２は、液圧式ブレーキ１幾構２１内
に設けられた電磁作動の常開型切換弁であり、ブレーキ
機構２１はフットブレーキ１１に加えられた操作力をバ
キュームサーボ２２を介してブレーキ液圧に変換する装
置であり、ブレーキ液を貯蔵するリザーバとブレーキ液
圧を発生させるシリンダ部分より構成されるフロントブ
レーキマスクシリンダ２２ａ１リアブレーキマスクシリ
ンダ２２ｂと、フロントブレーキ２３Ａのホイールシリ
ンダ２３ａ１リアブレーキ２３Ｂのホイールシリンダ２
３ｂにブレーキ液圧を供給する液圧経路であるブレーキ
チューブ２４とからなり、常開型切換弁を車両停止時に
閉状態に相持することで、ブレーキ液圧をホイールシリ
ンダ内に閉じこめてブレーキ力を自動的に保持する方法
が知られている。The brake force holding device 2 is an electromagnetically operated normally open switching valve provided in the hydraulic brake 1 structure 21, and the brake mechanism 21 transfers the operating force applied to the foot brake 11 via a vacuum servo 22. This is a device that converts brake fluid pressure into brake fluid pressure, and is composed of a reservoir that stores brake fluid and a cylinder that generates brake fluid pressure.A front brake mask cylinder 22a1, a rear brake mask cylinder 22b, and a wheel cylinder 23a1 of the front brake 23A, a rear brake. 23B wheel cylinder 2
3b and a brake tube 24, which is a hydraulic pressure path that supplies brake fluid pressure, and by keeping the normally open switching valve in the closed state when the vehicle is stopped, the brake fluid pressure is confined within the wheel cylinder and the braking force is increased. A method of automatically holding the data is known.

第２図は本発明の第１実施例のブレーキ制御装置５のフ
ローチャートを示す。FIG. 2 shows a flowchart of the brake control device 5 according to the first embodiment of the present invention.

フットブレーキ１１を踏みブレーキ制御装置５を作動さ
せるとスタートしく　１０１）　、まずブレーキ液圧の
設定値（ＰＨＡＸ）を０に設定する（　１０２）。The process starts when the foot brake 11 is stepped on and the brake control device 5 is activated (101), and the brake fluid pressure setting value (PHAX) is first set to 0 (102).

次にブレーキ力保持装置２の作動スイッチがＯＮか否か
を判断しく　１０３）　、ＯＦＦの時は、警告装置４を
ＯＦＦシ（１０４）　、つぎに作動を終了する（　１０
５）。ブレーキ力保持装Ｎ２の作動スイッチがＯＮの時
油圧センサ３よりブレーキ液圧（Ｐ）を検出しく　１０
６）　、設定値（ＰＨＡＸ）と検出したブレーキ液圧（
Ｐ）の大小を比較しく　１０７）、（Ｐ）　＞　（ＰＨ
ＡＸ　）　（７）時、設定値（ＰＨＡＸ）を（Ｐ）と設
定し直しく　１０８）　、警告装置４をＯＦＦとしく　
１０９）　、その後（１０３）へ帰還する。Next, determine whether the operation switch of the brake force holding device 2 is ON or not (103), and if it is OFF, turn off the warning device 4 (104), and then end the operation (10
5). When the operation switch of the brake force holding device N2 is ON, the brake fluid pressure (P) should be detected by the oil pressure sensor 3. 10
6) Set value (PHAX) and detected brake fluid pressure (
Compare the size of P) 107), (P) > (PH
AX) At (7), reset the set value (PHAX) to (P) 108) and turn off the warning device 4.
109), and then returns to (103).

（Ｐ）　＞　（ＰＨＡＸ　）　Ｔ”Ｌ、ｉなイｌｌｌ、
Ｘ＝Ｐ／ＰＨＡＸを演算しく　１１０）　、つぎにｘ＞
０．９か否かを判断しく　１１１）　、ｘ＞　０．９の
時（１０９）へ進み、Ｘ〉０．９ではない時、ブレーキ
液圧が不足していると判断して警告装置４をＯＮｔ、て
運転者に知らせる＜　１１２）。その後（１０３）へ進
む。前記の値０．９は仮に設定した値であり、他の値で
も良い。(P) > (PHAX) T”L, I’m so happy,
Calculate X=P/PHAX 110), then x>
111) When x > 0.9, proceed to (109), and when X > 0.9, it is determined that the brake fluid pressure is insufficient and the warning device 4 is activated. ONt, notify the driver <112). After that, proceed to (103). The above value 0.9 is a provisionally set value, and other values may be used.

第３図および第４図は本発明の自動変速機付車両のブレ
ーキ装置の第２実施例を示す。3 and 4 show a second embodiment of the brake system for a vehicle with an automatic transmission according to the present invention.

本実施例のブレーキ力不足検出手段は自動変速機付車両
の車速を検出する車速検出装置である車速センサ６であ
り、ブレーキ制御装置５ば第４図に示すフローチャート
に基づき作動する。The braking force deficiency detection means of this embodiment is a vehicle speed sensor 6 which is a vehicle speed detection device for detecting the vehicle speed of a vehicle with an automatic transmission, and the brake control device 5 operates based on the flowchart shown in FIG.

フットブレーキ１１を踏み、ブレーキ制御装置５を作動
させるとスタートしく　２０１）　、まずブレーキ力保
持装置２の作動スイッチがＯＮかＯＦＦかを判断しく　
２０２）　、０ＦＦ（７）時、警告装置４ヲＯＦＦとし
く　２０３）　、作動を終了スル（２０４）。ＯＮの時
、車速センサ６より車速（Ｖ）を検出しく　２０５）　
、Ｖ＝　Ｏか否かを判断しく　２０６）　、Ｖ＝０の時
警告装ｃ１４をＯＦＦ、！：Ｌ　（２０７）　、ソノｌ
（２０２）へ帰還する。■＝０ではない時、警告装置４
をＯＮさせ運転者に知らせ（２０８）　、その後（２０
２）へ帰還する。Step on the foot brake 11 and activate the brake control device 5 to start. 201) First, determine whether the operation switch of the brake force holding device 2 is ON or OFF.
202) When 0FF (7), turn off the warning device 4. 203) End the operation (204). When ON, the vehicle speed (V) is detected by the vehicle speed sensor 6. 205)
, judge whether V=O or not. 206) When V=0, turn off the warning device c14! :L (207), Sonol
Return to (202). ■When not = 0, warning device 4
Turn on and notify the driver (208), then (20
Return to 2).

車速検出装置は普通変速機に設けられている車速センサ
またはスピードメータドライブギア等に限らず、ブレー
キ液圧保持装置によりロックされている車輪の回転を直
接に検出する装置でも良い。The vehicle speed detection device is not limited to a vehicle speed sensor or a speedometer drive gear normally provided in a transmission, but may also be a device that directly detects the rotation of a wheel locked by a brake fluid pressure holding device.

（この方が確実である。） 警告装置はブザーなどの音声発生装置、またはインスト
ルメントパネル面での赤ランプ等の警告１（ウオーニン
グランプ）などを使用することができる。(This is more reliable.) As the warning device, a sound generating device such as a buzzer, or a warning 1 (warning lamp) such as a red lamp on the instrument panel surface can be used.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本発明の自動変速機付車両のブレーキ装置の第
１実施例のブロック図、第２図は本発明の自動変速機付
車両のブレーキ装置の第１実施例にかかるブレーキ制御
装置の作動フローチャート、第３図は本発明の自動変速
機付車両のプレーヤ装置の第２実施例のブロック図、第
４図は本発明の自動変速機付車両のブレーキ装置の第２
実施例にかかるブレーキ制御′５装置の作動フローチャ
ートである。 図中　　１・・・自動変速機付車両のブレーキ装置２・
・・ブレーキ力保持装置　３・・・油圧センサ　４・・
・警告装置　５・・・ブレーキ制御装置　６・・・車速
センサFIG. 1 is a block diagram of a first embodiment of the brake system for a vehicle with an automatic transmission according to the present invention, and FIG. 2 is a block diagram of a brake control system according to the first embodiment of the brake system for a vehicle with an automatic transmission according to the present invention. 3 is a block diagram of the second embodiment of the player device for a vehicle with an automatic transmission according to the present invention, and FIG. 4 is a block diagram of the second embodiment of the brake device for a vehicle with an automatic transmission according to the present invention.
It is an operation flowchart of the brake control '5 device according to the embodiment. In the diagram 1... Brake device for vehicles with automatic transmission 2.
...Brake force holding device 3...Hydraulic pressure sensor 4...
・Warning device 5...Brake control device 6...Vehicle speed sensor

Claims (1)

【特許請求の範囲】 １）人動によるブレーキ操作中止後もブレーキ液圧を保
持し、ブレーキの制動力の作用を維持するブレーキ力保
持装置と、該ブレーキ力保持装置の作動中にブレーキ力
が不足してきた場合、運転者に警告を発するブレーキ力
不足検出手段とを備えた自動変速機付車両のブレーキ装
置。 ２）前記ブレーキ力不足検出手段は、前記ブレーキ液圧
の液圧経路中に設けられた液圧センサであることを特徴
とする特許請求の範囲第１項記載の自動変速機付車両の
ブレーキ装置。 ３）前記ブレーキ力不足検出手段は、自動変速機付車両
の車速を検出する車速検出装置であることを特徴とする
特許請求の範囲第１項記載の自動変速機付車両のブレー
キ装置。[Scope of Claims] 1) A brake force holding device that maintains the brake fluid pressure and maintains the braking force of the brake even after the brake operation is stopped due to manual operation; A brake device for a vehicle with an automatic transmission, comprising a brake force shortage detection means that issues a warning to a driver when the brake force becomes insufficient. 2) The brake system for a vehicle with an automatic transmission according to claim 1, wherein the brake force deficiency detection means is a hydraulic pressure sensor provided in a hydraulic pressure path for the brake hydraulic pressure. . 3) The braking device for a vehicle with an automatic transmission according to claim 1, wherein the braking force shortage detection means is a vehicle speed detection device that detects the vehicle speed of the vehicle with an automatic transmission.
JP59208799A 1984-10-04 1984-10-04 Brake device for car associated with automatic speed changer Pending JPS6185253A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59208799A JPS6185253A (en) 1984-10-04 1984-10-04 Brake device for car associated with automatic speed changer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59208799A JPS6185253A (en) 1984-10-04 1984-10-04 Brake device for car associated with automatic speed changer

Publications (1)

Publication Number Publication Date
JPS6185253A true JPS6185253A (en) 1986-04-30

Family

ID=16562308

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59208799A Pending JPS6185253A (en) 1984-10-04 1984-10-04 Brake device for car associated with automatic speed changer

Country Status (1)

Country Link
JP (1) JPS6185253A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH031874U (en) * 1989-05-30 1991-01-10

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH031874U (en) * 1989-05-30 1991-01-10

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